Unison Valves Pvt Ltd offers Three Piece Design Three Way S/E, S/W, B/W Ball Valve. Unison Valves Pvt Ltd is an ISO 9001:2000 certified company. Three Piece Design Three Way S/E, S/W, B/W Ball Valve has ANSI B 16.25/BS 5351/ IS 11790 as the butt weld dimensions. The screwed dimensions are ANSI B 1.20.1/BS 21/IS 554 of this valve. The pressure testing stands at BS 6755 Part I/API 598/IS 6157-1981. The socket weld dimensions are ANSI B 16.11/BS 5351/ IS 4712. The design standard of the valve stands at IS 9890-1981.
